“…Multiple studies have reported the efficacy of the PYC model for young children with behavior problems, notably including at-risk children living in poverty Nicholson, Anderson, Fox, & Brenner, 2002), children with developmental delays (Holtz, Carrasco, Mattek, & Fox, 2009) and children from different ethnic backgrounds (Gresl, Fox, & Fleischmann, in press). In addition, a mental health clinic providing in-home PCT services to at-risk children with developmental delays and severe behavior problems has reported successful treatment outcomes for the past decade (Fox, Keller, Grede, & Bartosz, 2007).…”